Good for electronic items that drain battery life quickly, these batteries can be recharged with their compatible chargers—and reused rather than discarded.
AA batteries are typically used in electronic devices such as flashlights, digital cameras, and clocks. They have a nominal diameter of 14.2 mm.
Smaller than AA batteries, AAA batteries are commonly used in small electronic devices like remote controls. They have a nominal diameter of 10.5 mm.
Power mid-sized electronics such as flashlights and portable radios with these C batteries. They have a nominal diameter of 26 mm.
The largest of commonly used cylindrical batteries, D batteries are often used in large flashlights and portable stereos. They have a nominal diameter of 33 mm.
Sometimes called smoke alarm batteries, these rectangular batteries are often used to power household smoke and carbon monoxide detectors, clocks, and two-way radios.
Most commonly used in rechargeable flashlights, 18650 batteries are also found in cameras, LED clocks, and portable speakers and fans. They are also used to build battery packs and power banks such as those found in laptops. The 18650 name is based on their nominal size of 18 mm in diameter by 65 mm in length.
Replenish drained rechargeable batteries with these chargers.